diff --git a/manual/extension/metadata-server.md b/manual/extension/metadata-server.md
index e9e3c25c..3293ba76 100644
--- a/manual/extension/metadata-server.md
+++ b/manual/extension/metadata-server.md
@@ -23,7 +23,7 @@ Please download the file by following command:
 === "Standalone"
 
     !!! note
-        For standalone deployment, the metadata server only supports Seafile using **S3** and **OSS** as storage backend
+        For standalone deployment, the metadata server only supports Seafile using the storage backend such as **S3**.
 
     ```sh
     wget https://manual.seafile.com/13.0/repo/docker/metadata-server/md-server.yml
@@ -70,16 +70,6 @@ And here is other optional values according to your `MD_STORAGE_TYPE` setting:
     | `MD_S3_USE_V4_SIGNATURE` | Use V4 signature to S3 storage backend.                                                                              | Optional, default `true`           |
     | `MD_S3_SSE_C_KEY`   | S3 SSE-C key.                                                                                                              | Optional                |
 
-- `MD_STORAGE_TYPE=oss`
-
-    | Variables           | Description                                                                                                                | Required |
-            | --- | --- | --- |
-    | `MD_OSS_HOST`       | OSS backend host.                                                                                                          | Optional                |
-    | `MD_OSS_REGION`     | OSS backend region.                                                                                                        | Optional                |
-    | `MD_OSS_BUCKET`     | Name of OSS bucket for storaging metadata.                                                                               | **Required** |
-    | `MD_OSS_KEY_ID`     | OSS backend authorization key ID.                                                                                          | **Required** |
-    | `MD_OSS_KEY`        | OSS backend authorization key secret.                                                                                      | **Required** |
-
 ### Modify `seahub_settings.py`
 
 To enable metadata server in Seafile, please add the following field in your `seahub_settings.py`:
diff --git a/manual/repo/docker/metadata-server/env b/manual/repo/docker/metadata-server/env
index 5ae214bb..78f822a8 100644
--- a/manual/repo/docker/metadata-server/env
+++ b/manual/repo/docker/metadata-server/env
@@ -15,7 +15,7 @@ SEAFILE_MYSQL_DB_PASSWORD=
 SEAFILE_MYSQL_DB_SEAFILE_DB_NAME=seafile_db
 SEAFILE_LOG_TO_STDOUT=false
 
-# 
+# for s3 configurations
 MD_S3_HOST=
 MD_S3_AWS_REGION=
 MD_S3_USE_HTTPS=true
@@ -26,7 +26,7 @@ MD_S3_KEY=
 MD_S3_USE_V4_SIGNATURE=true
 MD_S3_SSE_C_KEY=
 
-# 
+# for oss configurations
 MD_OSS_HOST=
 MD_OSS_REGION=
 MD_OSS_BUCKET=